{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "d44cfce1",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "1+1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "be2b5511",
   "metadata": {},
   "outputs": [],
   "source": [
    "list = [1,2,3,4]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "e624a044",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1, 2, 3, 4]"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "5f2c32bd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[100, 2, 3, 4]"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "list[0] = 100\n",
    "list"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "634d464a",
   "metadata": {},
   "source": [
    "# 第一标题\n",
    "## 第二标题\n",
    "1. python\n",
    "2. java\n",
    "3. golang\n",
    "```python\n",
    "print('hello')\n",
    "```\n",
    "\n",
    "> 两种打开方式\n",
    "> 1. 通过绿图标打开,但是不推荐\n",
    "> 2. prompt  cmd的命令窗口,cd到想打开的文件位置,执行 jupyter notebook\n",
    "> 3.   先进路径cmd  >>>  输入activate base >>  jupyter notebook\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "39b52928",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'aksjhdkjsad'.find('a')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "a67e4b4f",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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    "version": 3
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   "file_extension": ".py",
   "mimetype": "text/x-python",
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   "pygments_lexer": "ipython3",
   "version": "3.11.4"
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